MySQL server error report:Array ( [0] => Array ( [message] => MySQL Query Error ) [1] => Array ( [sql] => select act_id from `emeixian`.`mg_wholesale` where goods_id= AND start_time<='1711600128' AND end_time>='1711600128' ) [2] => Array ( [error] => You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'AND start_time<='1711600128' AND end_time>='1711600128'' at line 1 ) [3] => Array ( [errno] => 1064 ) )